Dive Gear Express DGX Gears D6, Second Stage Service Manual

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1. Overview
(1) The availability of subassemblies and components, repair parts, specialized tools, and maintenance
manuals does not imply qualification to assemble and/or service scuba equipment. Improper service
of dive equipment can lead to severe injury or death. Dive Gear Express recommends that non-qualified
individuals seek professional training/mentoring before attempting repairs or servicing on any diving
equipment.
Failure to follow the procedures outlined herein may result in serious injury or
death!
(2) In the following pages will be found the disassembly, assembly, tuning and troubleshooting steps
for these components. Photos are used throughout to illustrate the procedures.
Please pay special attention to all Caution Notes!
(3) Whenever an item of extra importance needs to be observed, a “Caution Note:” will appear, followed
by the required information. See below.
Caution Note: This must be read and followed!
(4) Included in this manual is a list of recommended/required tools for each disassembly, assembly,
and testing section. They are identified in each section where they are used.
(5) A schematic diagram is located at the rear of this manual. The diagram contains the detailed parts
lists. The diagram also includes the torque specifications for parts where required.
(6) A general troubleshooting guide with space for notes is also included for those using a printed
version. Those who prefer an electronic version should keep detailed notes in an accessible location
for their own observations and service tips, as well as a record of service.
(7) Throughout the text, parts are referenced using the item number on the schematic to facilitate
locating each individual component.
(8) Parts should not be taken out of their packaging until the actual assembly stage is reached, and the
user is ready to lubricate, where necessary, and install them.
(9) Ensure the service area is free of any environmental factors that may cause problems during the
servicing of your regulators. The area must be clean and organized. The use of nitrile gloves is highly
recommended for final rinsing and assembly. This will minimize the risk of skin oils contaminating the
internal components of the regulator.
(10) Ensure that all required servicing/testing air supplies are available and at the proper test pressures
if not using a regulated supply from a single source. “ Modified Grade E” air as typically delivered at a
dive shop fill station is preferred.
Caution Note: Only use air from a breathing air source! Do not use a hardware
store shop compressor.